APA (7th ed.) Citation
SILVA, M., & ET AL. (1994). USE OF MARIJUANA AND OTHER DRUGS BY COLLEGE STUDENTS OF SAO PAULO, BRAZIL.
Chicago Style (17th ed.) Citation
SILVA, M.T, and ET AL. USE OF MARIJUANA AND OTHER DRUGS BY COLLEGE STUDENTS OF SAO PAULO, BRAZIL. 1994.
MLA (9th ed.) Citation
SILVA, M.T, and ET AL. USE OF MARIJUANA AND OTHER DRUGS BY COLLEGE STUDENTS OF SAO PAULO, BRAZIL. 1994.
Warning: These citations may not always be 100% accurate.